// pages/meetlist/meetlist.js
const db = wx.cloud.database()
const app = getApp() 
const default_area ='六里桥4楼'
Page({

  /**
   * 页面的初始数据
   */
  data: {
    areas: [],
    items: [],
    room: [],
    months:[],
    curarea: '六里桥4楼',
    curoom:'1号',
    curmonth: new Date().getMonth() + 1,
    index:0,
    indx:0,
    iarea:0,
    startX: 0,
    startY: 0
  },

  onInit(){
   // let year = new Date().getFullYear();
    for(let m=1;m<=12;m++)
    {
        this.setData({
          months: this.data.months.concat(m)
        })
    }
    this.setData({
       indx: this.data.curmonth-1
    })
  },
  areasPickerSelected:function(e){
    var that = this
    that.setData({
      iarea: e.detail.value,
      curarea: that.data.areas[e.detail.value]
    })
    that.data.room.length =0
    that.initMeetRoom(that.data.areas[e.detail.value])
    this.onInitData()
  },

  monthPickerSelected: function(e){
     this.setData({
         indx: e.detail.value
     })
     this.setData({
       curmonth: this.data.months[e.detail.value]
     })
     this.onInitData();
  },
 
  roomPickerSelected: function(e){
     this.setData({
       index: e.detail.value
     })
     this.setData({
       curoom: this.data.room[this.data.index]
     })
     this.onInitData()
  },
  //初始化会议地名;
  initAreas(){
    db.collection('domain').where({
      _openid: app.globalData.projectid 
    }).get().then(res=>{
      for(var i=0;i< res.data.length;i++)
      {
        this.setData({
          areas: this.data.areas.concat(res.data[i]['area'])
        })
      }
    }).catch(err=>{
      console.log(err)
    })
  },
  //初始化会议室信息;
  initMeetRoom(area) {
    db.collection("meeting").where({
      _openid: app.globalData.projectid,
      area: area
    }).get().then(res => {
      for (let i = 0; i < res.data.length; i++) {
        var meet = res.data[i]['meet'];
        this.setData({
          room: this.data.room.concat(meet)
        })
      }
    }).catch(err => {
      console.log(err);
    })
  },

  getmeetlist(v_area,v_room,v_month){
    var that = this
    //console.log('getmeet',v_area,v_room,v_month)
     wx.request({
       url: app.globalData.serverUrl + '/get-amy/?area=' + v_area + '&room=' + v_room + '&month=' + v_month,
       success(res){
         //that.data.items.length = 0
          if(res.data.length ==0)
          {
            console.log('....')
            that.setData({
              items: []
            })
          }
          for(var i=0;i<res.data.length;i++)
          {
            let item = {
              id: res.data[i]['meet_id'],
               user:res.data[i]['user'],
               depart: res.data[i]['depart'],
               meet: res.data[i]['meet'],
               date2: res.data[i]['date2'],
               time: res.data[i]['time']
             }
             that.setData({
               items: that.data.items.concat(item),
               isTouchMove: false
             })   
          }
       },
       fail(err){
         console.log('getmeetlist-error',err)
       }
     })
  },

  //云数据库获取的信息;
  onInitData: function(){
    var that = this
    that.data.items.length = 0;
    //Django+mysql后台获取数据：
    this.getmeetlist(that.data.curarea, that.data.curoom,that.data.curmonth)

    ////获取云数据库数据;
    //this.on_yun_data()
   
  },
  //获取云数据库数据;
  on_yun_data() {
    // //获取云数据库数据;
    db.collection("meetab").where({
      _openid: app.globalData.projectid 
    }).where({
      meet: that.data.curoom //this.data.room[this.data.index]
    }).where({
      month: that.data.curmonth
    }).orderBy('date', 'desc').get().then(res => {
      that.setData({
        items: that.data.items.concat(res.data)
      })
    }).catch(err => {
      console.log(err);
    })
  },
  //
  touchstart: function (e) {
    this.data.items.forEach(function (v, i) {
      if (v.isTouchMove)
        v.isTouchMove = false;

    })
    this.setData({
      startX: e.changedTouches[0].clientX,
      startY: e.changedTouches[0].clientY,
      items: this.data.items
    })
  },
  //滑动事件处理 
  touchmove: function (e) {
    var that = this,
      //当前索引 
      index = e.currentTarget.dataset.index,
      //开始X坐标 
      startX = that.data.startX,
      //开始Y坐标 
      startY = that.data.startY,
      //滑动变化坐标 
      touchMoveX = e.changedTouches[0].clientX,
      //滑动变化坐标
      touchMoveY = e.changedTouches[0].clientY,
      //获取滑动角度 
      angle = that.angle({ X: startX, Y: startY }, { X: touchMoveX, Y: touchMoveY });
    that.data.items.forEach(function (v, i) {
      v.isTouchMove = false
      //滑动超过30度角 return 
      if (Math.abs(angle) > 30)
        return;
      if (i == index) {
        if (touchMoveX > startX) //右滑
          v.isTouchMove = false
        else //左滑 
          v.isTouchMove = true
      }
    }) //更新数据 
    that.setData({
      items: that.data.items
    })
  },
  /**
   * 计算滑动角度
   * @param {Object} start 起点坐标
   * @param {Object} end 终点坐标
   */
  angle: function (start, end) {
    var _X = end.X - start.X,
      _Y = end.Y - start.Y
    //返回角度 /Math.atan()返回数字的反正切值 
    return 360 * Math.atan(_Y / _X) / (2 * Math.PI);
  },
  //删除事件 
  del: function (e) {
    var that = this
    var i = e.currentTarget.index
    var id = this.data.items[e.currentTarget.dataset.index]['id']
    console.log(id)
    //console.log(this.data.items[e.currentTarget.dataset.index])
    wx.showModal({
      title: '提示',
      content: '是否删除？',
      confirmColor: '#f83d46',
      success(res){
        if(res.confirm){
          wx.request({
            url: app.globalData.serverUrl + '/mee?id='+id,
            method: 'DELETE',
            success(res){
              console.log(res.data)
              if(res.data =='OK')
              {
                wx.showToast({
                  title: '删除成功!!',
                })
                //////
                that.data.items.splice(e.currentTarget.dataset.index, 1)
                that.setData({
                  items: that.data.items
                })
              }
            }
          })
        }
      }
    })
   
   
  },

 

  //上一页事件
  onPrePage:function(e){

  },
  //下一页事件
  onNextPage:function(e){

  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    console.log('onLoad....')
    this.initAreas()
    this.initMeetRoom(default_area)
    this.onInit()
    this.onInitData()
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {
   console.log('onReady....')
  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    console.log('onShow....')
  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  }
})